#word, #meaning{
    display: none;
    margin: auto;
    text-align: center;
}
div{
    text-align: center;
}
button{
    margin: auto;
    display: block;
    text-align: center;
    min-width: 200px;
    color: white;
    background-color: green;
    border-radius: 30px;
    font-size: 30pt;
    font-family: b Nazanin;
}
#questionAndAnswer{
    display: none;
    flex-direction: column;
    height: 500px;
    width: 800px;
}
#choose2things{
    display: none;
    flex-direction: row;
    height: 500px;
    width: 800px;
}
#answers{
    display: flex;
    flex: 2;
    flex-direction: column;
}
#answer1, #answer3{
    background-color: rgb(30,30,30);
    color: white;
}
#answer2, #answer4{
    background-color: rgb(230,230,230);
}
.answer{
    flex: 1;
    font-family: B Nazanin;
    font-size: 18pt;
}
#question{
    flex: 1;
    background-color: blue;
    color: white;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 18pt;
}
#spelling{
    display: none;
}
#chapter{
    font-family: B titr;
    font-size: 24pt;
}